I found these online:
In most jurisdictions it is not a crime to runaway from home, except in 9 states ( Georgia, Idaho, Kentucky, Nebraska, South Carolina, Texas, Utah, West Virginia, Wyoming). In these jurisdictions it is considered a “status offense”, which means it is against the law only when someone under 18 years old does it.
However, in jurisdictions in which it is not against the law to runaway away a youth may still end up in court. Youth that repeatedly run away may be classified as a habitual runaway in need of states if the state determines that their parents are not me